On this day in 1786 – A landslide dam on the Dadu River caused by an earthquake ten days earlier was destroyed by an aftershock, causing a flood that killed an estimated 100,000 people. 
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On this day in 1786 – A landslide dam on the Dadu River caused by an earthquake ten days earlier was destroyed by an aftershock, causing a flood that killed an estimated 100,000 people. 
